flying phalanger vs flying opossum

flying phalanger and flying opossum both are nouns.

Word	Noun	Adjective	Verb	Adverb
flying phalanger	Yes	No	No	No
flying opossum	Yes	No	No	No

As nouns, flying phalanger and flying opossum are synonyms defined as:

flying phalanger and flying opossum: nocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the body

Other synonyms of flying phalanger include flying squirrel.

flying phalanger (noun)	flying opossum (noun)
nocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the body	nocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the body